Introduction
This article's purpose is to provide guidance on how to upgrade cPanel/WHM.
Procedure
To update cPanel & WHM manually, use WHM’s Upgrade to Latest Version interface (WHM >> Home >> cPanel >> Upgrade to Latest Version).
Additionally, you can update cPanel/WHM on your server using the upcp script. More on this can be found here:
https://docs.cpanel.net/whm/scripts/the-upcp-script/